*{
  margin: 0;
  padding: 0;
}
.wrap{
  width: 100vh;
  height: 100vh;
  background-image: url('./img/bg.jpeg');
  background-size: cover;
  background-position: center center;
}
.bubbles {
  width: 100%;
  height: 100%;
  position: relative;

}
.bubble{
  width: 10px;
  height: 10px;
  border: 1px solid #fff;
  border-radius: 50%;
  position: absolute;
  bottom: -10%;
  animation: up 8s ease-in-out;
}
@keyframes up {
  from {
    bottom: -10%;
    opacity: 1;
  }
  to {
    bottom: 110%;
    opacity: 0;
  }
}
